*{
    margin: 0;padding: 0;
}
div{
    position: relative;
}
div img{
    width: 500px;
    height: 200px;
}
ul{
    position: absolute;
    bottom: 10px;
    left: 10%;
    list-style: none;
}
ul li{
    background-color: #fff;
    float: left;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    margin-left: 10px;
}
.active{background-color: red;}